Motorola Integrated Circuit SN74LS541N

03/28/2025

Comparison of advantages and disadvantages of dry evaporator and flooded evaporator

The refrigerant of the dry expansion evaporator evaporates in the tube. The superheat at the outlet end of the evaporator is usually about 5 to 10K. The expansion valve uses the superheat detected by the temperature sensor to adjust the refrigerant flow r碌7館2䀀締眪湠眷V

09/07/2020

Lubricant-Protector of Industrial Equipment

Reducing friction is one of the main purposes of lubricating oil. In addition, lubricating oil has other functions. For example, the lubricating oil film can prevent rust; prevent metal from being corroded; the lubricating oil can also play a cleaning role.

06/29/2020

Compression ratio of American Copeland compressor

09/08/2020

Series of hazards caused by poor compressed air quality to production

Compressed air is an important source of power in industry. Compressed air is the second largest power source in industry after electricity. Compressed air contains harmful substances such as water, oil, and particulate impurities.

01/11/2021

Mitsubishi Electric Home Central Air Conditioner-The King of Home Central Air Conditioning With the development of the air-conditioning market

Mitsubishi Electric Home Central Air Conditioner-The King of Home Central Air Conditioning With the development of the air-conditioning market, many companies have entered the field of air-conditioning, resulting in more and more air-conditioning brands,器2䀀
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06/14/2020

Characteristics of scroll compressor

(1) High efficiency: 90～98%. The suction, compression, and exhaust processes of the scroll compressor are continuous and unidirectional, and the harmful overheating of the suction gas is small; the pressure difference between the adjacent working chamb器2䀀
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07/12/2020

What semi-hermetic screw compressors are customers willing to pay for?

In the early years, many people felt that semi-hermetic screw compressors are expensive and have high technical threshold. Without semi-hermetic piston compressors, they are cheap and easy to use and maintain, so they are a bit daunted.

09/16/2020

Consultation on solving high temperature problems of air compressors

For customers, if there is an air compressor high temperature problem, they should consult the relevant manufacturer's after-sales service department as soon as possible to determine whether they need to be shut down for repairs, and prevent safety accidents. For air compressor maintenance personnel, it is particularly important to understand how to solve the high temperature problem of the air compressor.

06/29/2020

Treatment of frost in crankcase when compressor head frost is serious

Treatment of frost in crankcase when compressor head frost is serious The frost on the cylinder head is caused by a large amount of wet steam or refrigerant sucked into the compressor. The main reasons for this situation are:

08/04/2020

How much should the temperature on the refrigerator be set What can be done to ensure cooling and power saving at the same time

There are two ways to set the temperature of the refrigerator, I will talk about them separately. Generally divided into 5 gears (1~5) or 7 gears (1~7), and some even more.